Table 1Patient demographic and baseline clinical characteristics

CharacteristicsValue   
* Some patients had increased sensitivity to both mechanical and thermal stimuli.
Age, y
    Mean (SD)71 (12)
    Median (range)73 (32–90)
Sex, n (%)
    M34 (44.7)
    F42 (55.3)
Race, n (%)
    White67 (88.2)
    African American8 (10.5)
    Other1 (1.3)
Duration since rash healing, mo, mean (range)32.3 (3–216)
Primary dermatomes affected, n (%)
    Thoracic38 (50)
    Trigeminal26 (34)
    Lumbosacral4 (5)
    Cervical/other8 (11)
Allodynia/hyperalgesia to mechanical stimuli, n (%)57 (75)
Allodynia/hyperalgesia to cold,* n (%)8 (10.5)
Allodynia/hyperalgesia to warmth,* n (%)14 (18.4)